Calcium chloride hexahydrate
CaCl2 . 6H2O
white hexagonal crystals, hygroscopic
Registry Numbers and Inventories.
S 22 24
Japan ENCS (MITI)
Melting point, °C
1.5249 g/cm3 (31 C)
12 cp (55 C)
Heat of fusion
Hazards and Protection.
Store in a cool, dry place. Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not get on skin or in eyes. Do not ingest or inhale. Wash clothing before reuse.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stable under normal shipping and handling conditions.
Strong oxidizing agents.
Chlorine, toxic fumes of sodium oxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. May cause cardiac disturbances. In very severe cases, may result in seizures, rapid respiration, slow heartbeat, or
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist.
Contact with eyes may cause severe irritation, and possible eye burns.
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.